DMA mapping API(IOMMU) for ARM64?

[Arnd Bergmann]

On Tuesday 18 June 2013, Catalin Marinas wrote:
> > 1, Copy arch/arm/mm/dma-mapping.c arch/arm64/mm/dma-mapping.c(+swiotlb)
> > 2, Adapt arch/arm64/mm/dma-mapping.c(+swiotlb) to 64bit compatible.
> > 3, Factor out the common code from them into mm/dma-mapping.c
> 
> Or add the relevant code to something like lib/iommu-helper.c, convert
> arm64 to use that and we can work on converting arm and other
> architectures afterwards.

Yes, that would work too.

	Arnd